import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Demo1 {
    public static void main(String[] args) throws SQLException {
        DataSource dataSource = new MysqlDataSource();
        ((MysqlDataSource) dataSource).setUrl("jdbc:mysql://127.0.0.1:3306/wangjunyi?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource) dataSource).setUser("root");
        ((MysqlDataSource) dataSource).setPassword("111111");
        Connection connection = dataSource.getConnection();

        String sql = "insert into student values(17,'王五')";
        PreparedStatement statement = connection.prepareStatement(sql);
        int n = statement.executeUpdate();
        System.out.println("n = "+ n);
        statement.close();
        connection.close();
    }
}
